Beispiel #1
0
void finalize_quote(void)
{
	check_buffer();
	if(current_col_size ==0)
		*lexical_stack=NULL;
	else
	{
		fix_quote((*lexical_stack)->content);
		((cd*)*lexical_stack)->col_tag = QUOTE;
	}
}
Beispiel #2
0
void go_down_level(void)
{
	ccell * end;
	lexical_stack_height--;
	end = find_end(((cd *)lexical_stack[lexical_stack_height-1])->content);
	if(current_col_size == 0)
		end->car=NULL;
	else
	{
		fix_quote(lexical_stack[lexical_stack_height]->content); /* fixing occurs */
		end->car=lexical_stack[lexical_stack_height];/* linking occurs */
		if(lexical_stack[lexical_stack_height]->col_tag == QUOTE)
			pop(scope_stack);
	}
	current_col_size = 1;
	end->cdr=cons(NULL,NULL);
	current_node = end->cdr;
	lexical_stack =realloc(lexical_stack,sizeof(void*)*lexical_stack_height);
	
}
Beispiel #3
0
str
NCDFattach(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
{
	mvc *m = NULL;
	sql_schema *sch = NULL;
	sql_table *tfiles = NULL, *tdims = NULL, *tvars = NULL, *tvardim = NULL, *tattrs = NULL;
	sql_column *col;
	str msg = MAL_SUCCEED;
	str fname = *(str*)getArgReference(stk, pci, 1);
	char buf[BUFSIZ], *s= buf;
	oid fid, rid = oid_nil;
	sql_trans *tr;

	int ncid;   /* dataset id */
	int ndims, nvars, ngatts, unlimdim;
	int didx, vidx, vndims, vnatts, i, aidx, coord_dim_id = -1;
	int vdims[NC_MAX_VAR_DIMS];

	size_t dlen, alen;
	char dname[NC_MAX_NAME+1], vname[NC_MAX_NAME+1], aname[NC_MAX_NAME +1], 
	  abuf[80], *aval;
	char **dims = NULL;
	nc_type vtype, atype; /* == int */

	int retval, avalint;
	float avalfl;
	double avaldbl;

	msg = getSQLContext(cntxt, mb, &m, NULL);
	if (msg)
        return msg;

	tr = m->session->tr;
	sch = mvc_bind_schema(m, "sys");
	if ( !sch )
        return createException(MAL, "netcdf.attach", "Cannot get schema sys\n");

	tfiles = mvc_bind_table(m, sch, "netcdf_files");
	tdims = mvc_bind_table(m, sch, "netcdf_dims");
	tvars = mvc_bind_table(m, sch, "netcdf_vars");
	tvardim = mvc_bind_table(m, sch, "netcdf_vardim");
	tattrs = mvc_bind_table(m, sch, "netcdf_attrs");

	if (tfiles == NULL || tdims == NULL || tvars == NULL || 
	    tvardim == NULL || tattrs == NULL)
        return createException(MAL, "netcdf.attach", "Catalog table missing\n");

	/* check if the file is already attached */
	col = mvc_bind_column(m, tfiles, "location");
	rid = table_funcs.column_find_row(m->session->tr, col, fname, NULL);
	if (rid != oid_nil) 
	    return createException(SQL, "netcdf.attach", "File %s is already attached\n", fname);

	/* Open NetCDF file  */
	if ((retval = nc_open(fname, NC_NOWRITE, &ncid)))
        return createException(MAL, "netcdf.test", "Cannot open NetCDF \
file %s: %s", fname, nc_strerror(retval));

	if ((retval = nc_inq(ncid, &ndims, &nvars, &ngatts, &unlimdim)))
        return createException(MAL, "netcdf.test", "Cannot read NetCDF \
header: %s", nc_strerror(retval));

	/* Insert row into netcdf_files table */
	col = mvc_bind_column(m, tfiles, "file_id");
	fid = store_funcs.count_col(tr, col, 1) + 1;

	snprintf(buf, BUFSIZ, INSFILE, (int)fid, fname);
	if ( ( msg = SQLstatementIntern(cntxt, &s, "netcdf.attach", TRUE, FALSE, NULL))
	        != MAL_SUCCEED )
	    goto finish;

	/* Read dimensions from NetCDF header and insert a row for each one into netcdf_dims table */

	dims = (char **)GDKzalloc(sizeof(char *) * ndims);
	for (didx = 0; didx < ndims; didx++){
	    if ((retval = nc_inq_dim(ncid, didx, dname, &dlen)))
	        return createException(MAL, "netcdf.attach", "Cannot read dimension %d : %s", didx, nc_strerror(retval));

	    snprintf(buf, BUFSIZ, INSDIM, didx, (int)fid, dname, (int)dlen);
	    if ( ( msg = SQLstatementIntern(cntxt, &s, "netcdf.attach", TRUE, FALSE, NULL))
    	 != MAL_SUCCEED )
	        goto finish;

	    dims[didx] = GDKstrdup(dname);
	}

	/* Read variables and attributes from the header and insert rows in netcdf_vars, netcdf_vardims, and netcdf_attrs tables */
	for (vidx = 0; vidx < nvars; vidx++){
	    if ( (retval = nc_inq_var(ncid, vidx, vname, &vtype, &vndims, vdims, &vnatts)))
	        return createException(MAL, "netcdf.attach", 
			     "Cannot read variable %d : %s", 
			     vidx, nc_strerror(retval));

    	/* Check if this is coordinate variable */
        if ( (vndims == 1) && ( strcmp(vname, dims[vdims[0]]) == 0 ))
	        coord_dim_id = vdims[0];
        else coord_dim_id = -1;

	    snprintf(buf, BUFSIZ, INSVAR, vidx, (int)fid, vname, prim_type_name(vtype), vndims, coord_dim_id);
	    if ( ( msg = SQLstatementIntern(cntxt, &s, "netcdf.attach", TRUE, FALSE, NULL))
	        != MAL_SUCCEED )
            goto finish;

	    if ( coord_dim_id < 0 ){
	        for (i = 0; i < vndims; i++){
                snprintf(buf, BUFSIZ, INSVARDIM, vidx, vdims[i], (int)fid, i);
                if ( ( msg = SQLstatementIntern(cntxt, &s, "netcdf.attach", TRUE, FALSE, NULL))
            	   != MAL_SUCCEED )
                	goto finish;
	        }
	    }

    	if ( vnatts > 0 ) { /* fill in netcdf_attrs table */

            for (aidx = 0; aidx < vnatts; aidx++){
                if ((retval = nc_inq_attname(ncid,vidx,aidx,aname)))
                    return createException(MAL, "netcdf.attach",
                        "Cannot read attribute %d of variable %d: %s",
                        aidx, vidx, nc_strerror(retval));

	            if ((retval = nc_inq_att(ncid,vidx,aname,&atype,&alen)))
                    return createException(MAL, "netcdf.attach",
	                    "Cannot read attribute %s type and length: %s",
	                    aname, nc_strerror(retval));


        	switch ( atype ) {
        	case NC_CHAR:
                aval = (char *) GDKzalloc(alen + 1);
                if ((retval = nc_get_att_text(ncid,vidx,aname,aval)))
                    return createException(MAL, "netcdf.attach",
	                    "Cannot read attribute %s value: %s",
	                    aname, nc_strerror(retval));
		fix_quote(aval, alen);
                aval[alen] = '\0';
                snprintf(buf, BUFSIZ, INSATTR, vname, aname, "string", aval, (int)fid, "root");
                GDKfree(aval);
            break;

        	case NC_INT:
	            if ((retval = nc_get_att_int(ncid,vidx,aname,&avalint)))
	                return createException(MAL, "netcdf.attach",
	                    "Cannot read attribute %s value: %s",
	                    aname, nc_strerror(retval));
                snprintf(abuf,80,"%d",avalint);
                snprintf(buf, BUFSIZ, INSATTR, vname, aname, prim_type_name(atype), abuf, (int)fid, "root");
	        break;
	
        	case NC_FLOAT:
	            if ((retval = nc_get_att_float(ncid,vidx,aname,&avalfl)))
	                return createException(MAL, "netcdf.attach",
	                    "Cannot read attribute %s value: %s",
	                    aname, nc_strerror(retval));
	            snprintf(abuf,80,"%7.2f",avalfl);
	            snprintf(buf, BUFSIZ, INSATTR, vname, aname, prim_type_name(atype), abuf, (int)fid, "root");
	        break;

	        case NC_DOUBLE:
	            if ((retval = nc_get_att_double(ncid,vidx,aname,&avaldbl)))
        	        return createException(MAL, "netcdf.attach",
	                    "Cannot read attribute %s value: %s",
	                    aname, nc_strerror(retval));
    	        snprintf(abuf,80,"%7.2e",avaldbl);
	            snprintf(buf, BUFSIZ, INSATTR, vname, aname, prim_type_name(atype), abuf, (int)fid, "root");
	        break;

        	default: continue; /* next attribute */
	        }

		printf("statement: '%s'\n", s);
        	if ( ( msg = SQLstatementIntern(cntxt, &s, "netcdf.attach", TRUE, FALSE, NULL))
	            != MAL_SUCCEED )
                goto finish;

	        } /* attr loop */

	    }
	} /* var loop */

	/* Extract global attributes */

	for (aidx = 0; aidx < ngatts; aidx++){
	    if ((retval = nc_inq_attname(ncid,NC_GLOBAL,aidx,aname)))
	        return createException(MAL, "netcdf.attach",
                "Cannot read global attribute %d: %s",
                aidx, nc_strerror(retval));

	    if ((retval = nc_inq_att(ncid,NC_GLOBAL,aname,&atype,&alen)))
	        return createException(MAL, "netcdf.attach",
                "Cannot read global attribute %s type and length: %s",
                aname, nc_strerror(retval));
    	switch ( atype ) {
	        case NC_CHAR:
	            aval = (char *) GDKzalloc(alen + 1);
	            if ((retval = nc_get_att_text(ncid,NC_GLOBAL,aname,aval)))
	                return createException(MAL, "netcdf.attach",
	                    "Cannot read global attribute %s value: %s",
    	                aname, nc_strerror(retval));
		    fix_quote(aval, alen);
	            aval[alen] = '\0';
	            snprintf(buf, BUFSIZ, INSATTR, "GLOBAL", aname, "string", aval, (int)fid, "root");
	            GDKfree(aval);
	            break;

            case NC_INT:
	            if ((retval = nc_get_att_int(ncid,NC_GLOBAL,aname,&avalint)))
	                return createException(MAL, "netcdf.attach",
			    	    "Cannot read global attribute %s of type %s : %s",
	                    aname, prim_type_name(atype), nc_strerror(retval));
    	        snprintf(abuf,80,"%d",avalint);
	            snprintf(buf, BUFSIZ, INSATTR, "GLOBAL", aname, prim_type_name(atype), abuf, (int)fid, "root");
	            break;

    	    case NC_FLOAT:
	            if ((retval = nc_get_att_float(ncid,NC_GLOBAL,aname,&avalfl)))
	                return createException(MAL, "netcdf.attach",
	                    "Cannot read global attribute %s of type %s: %s",
	                    aname, prim_type_name(atype), nc_strerror(retval));
    	        snprintf(abuf,80,"%7.2f",avalfl);
	            snprintf(buf, BUFSIZ, INSATTR, "GLOBAL", aname, prim_type_name(atype), abuf, (int)fid, "root");
	            break;

            case NC_DOUBLE:
    	        if ((retval = nc_get_att_double(ncid,NC_GLOBAL,aname,&avaldbl)))
	                return createException(MAL, "netcdf.attach",
	                    "Cannot read global attribute %s value: %s",
	                    aname, nc_strerror(retval));
	            snprintf(abuf,80,"%7.2e",avaldbl);
    	        snprintf(buf, BUFSIZ, INSATTR, "GLOBAL", aname, prim_type_name(atype), abuf, (int)fid, "root");
	            break;

            default: continue; /* next attribute */
        }

	printf("global: '%s'\n", s);
        if ( ( msg = SQLstatementIntern(cntxt, &s, "netcdf.attach", TRUE, FALSE, NULL))
	          != MAL_SUCCEED )
	        goto finish;

    } /* global attr loop */


 finish:
    nc_close(ncid);

    if (dims != NULL ){
        for (didx = 0; didx < ndims; didx++)
            GDKfree(dims[didx]);
        GDKfree(dims);
    }

	return msg;
}